CRITICAL BUCKLING FOR THE DISAPPEARANCE OF SUPERCONDUCTIVITY IN RARE-EARTH-DOPED LA2-XSRXCUO4

被引:227
作者
BUCHNER, B [1 ]
BREUER, M [1 ]
FREIMUTH, A [1 ]
KAMPF, AP [1 ]
机构
[1] UNIV COLOGNE,INST THEORET PHYS,D-50937 COLOGNE,GERMANY
关键词
D O I
10.1103/PhysRevLett.73.1841
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Analysis of the structural, transport, and superconducting properties of Nd-doped La2-xSrxCuO4 reveals a critical tilt angle of the CuO6 octahedra for the disappearance of superconductivity in the low temperature tetragonal phase. Our results indicate a strong influence of the tilt of the CuO6 octahedra on the electronic properties, suggesting the importance of spin-orbit coupling for the destruction of superconductivity and for the stabilization of a magnetic state.
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页码:1841 / 1844
页数:4
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